20734367080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1427}}^1\times {\mathrm{51893}}^1$

素因数の和:53338

約数の個数: 64

約数和(自身を含む): 53355335040

約数和(自身を除く): 32620967960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1427, 2854, 5708, 7135, 9989, 11416, 14270, 19978, 28540, 39956, 49945, 51893, 57080, 79912, 99890, 103786, 199780, 207572, 259465, 363251, 399560, 415144, 518930, 726502, 1037860, 1453004, 1816255, 2075720, 2906008, 3632510, 7265020, 14530040, 74051311, 148102622, 296205244, 370256555, 518359177, 592410488, 740513110, 1036718354, 1481026220, 2073436708, 2591795885, 2962052440, 4146873416, 5183591770, 10367183540, 20734367080]

約数ペア:

[(1, 20734367080), (2, 10367183540), (4, 5183591770), (5, 4146873416), (7, 2962052440), (8, 2591795885), (10, 2073436708), (14, 1481026220), (20, 1036718354), (28, 740513110), (35, 592410488), (40, 518359177), (56, 370256555), (70, 296205244), (140, 148102622), (280, 74051311), (1427, 14530040), (2854, 7265020), (5708, 3632510), (7135, 2906008), (9989, 2075720), (11416, 1816255), (14270, 1453004), (19978, 1037860), (28540, 726502), (39956, 518930), (49945, 415144), (51893, 399560), (57080, 363251), (79912, 259465), (99890, 207572), (103786, 199780)]